1 files changed, 365 insertions, 0 deletions
diff --git a/lib/ansible/parsing/yaml/objects.py b/lib/ansible/parsing/yaml/objects.py
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+++ b/lib/ansible/parsing/yaml/objects.py
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+# (c) 2012-2014, Michael DeHaan <michael.dehaan@gmail.com>
+#
+# This file is part of Ansible
+#
+# Ansible is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# Ansible is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with Ansible.  If not, see <http://www.gnu.org/licenses/>.
+
+# Make coding more python3-ish
+from __future__ import (absolute_import, division, print_function)
+__metaclass__ = type
+
+import string
+import sys as _sys
+
+from collections.abc import Sequence
+
+import sys
+import yaml
+
+from ansible.module_utils.six import text_type
+from ansible.module_utils._text import to_bytes, to_text, to_native
+
+
+class AnsibleBaseYAMLObject(object):
+    '''
+    the base class used to sub-class python built-in objects
+    so that we can add attributes to them during yaml parsing
+
+    '''
+    _data_source = None
+    _line_number = 0
+    _column_number = 0
+
+    def _get_ansible_position(self):
+        return (self._data_source, self._line_number, self._column_number)
+
+    def _set_ansible_position(self, obj):
+        try:
+            (src, line, col) = obj
+        except (TypeError, ValueError):
+            raise AssertionError(
+                'ansible_pos can only be set with a tuple/list '
+                'of three values: source, line number, column number'
+            )
+        self._data_source = src
+        self._line_number = line
+        self._column_number = col
+
+    ansible_pos = property(_get_ansible_position, _set_ansible_position)
+
+
+class AnsibleMapping(AnsibleBaseYAMLObject, dict):
+    ''' sub class for dictionaries '''
+    pass
+
+
+class AnsibleUnicode(AnsibleBaseYAMLObject, text_type):
+    ''' sub class for unicode objects '''
+    pass
+
+
+class AnsibleSequence(AnsibleBaseYAMLObject, list):
+    ''' sub class for lists '''
+    pass
+
+
+class AnsibleVaultEncryptedUnicode(Sequence, AnsibleBaseYAMLObject):
+    '''Unicode like object that is not evaluated (decrypted) until it needs to be'''
+    __UNSAFE__ = True
+    __ENCRYPTED__ = True
+    yaml_tag = u'!vault'
+
+    @classmethod
+    def from_plaintext(cls, seq, vault, secret):
+        if not vault:
+            raise vault.AnsibleVaultError('Error creating AnsibleVaultEncryptedUnicode, invalid vault (%s) provided' % vault)
+
+        ciphertext = vault.encrypt(seq, secret)
+        avu = cls(ciphertext)
+        avu.vault = vault
+        return avu
+
+    def __init__(self, ciphertext):
+        '''A AnsibleUnicode with a Vault attribute that can decrypt it.
+
+        ciphertext is a byte string (str on PY2, bytestring on PY3).
+
+        The .data attribute is a property that returns the decrypted plaintext
+        of the ciphertext as a PY2 unicode or PY3 string object.
+        '''
+        super(AnsibleVaultEncryptedUnicode, self).__init__()
+
+        # after construction, calling code has to set the .vault attribute to a vaultlib object
+        self.vault = None
+        self._ciphertext = to_bytes(ciphertext)
+
+    @property
+    def data(self):
+        if not self.vault:
+            return to_text(self._ciphertext)
+        return to_text(self.vault.decrypt(self._ciphertext, obj=self))
+
+    @data.setter
+    def data(self, value):
+        self._ciphertext = to_bytes(value)
+
+    def is_encrypted(self):
+        return self.vault and self.vault.is_encrypted(self._ciphertext)
+
+    def __eq__(self, other):
+        if self.vault:
+            return other == self.data
+        return False
+
+    def __ne__(self, other):
+        if self.vault:
+            return other != self.data
+        return True
+
+    def __reversed__(self):
+        # This gets inerhited from ``collections.Sequence`` which returns a generator
+        # make this act more like the string implementation
+        return to_text(self[::-1], errors='surrogate_or_strict')
+
+    def __str__(self):
+        return to_native(self.data, errors='surrogate_or_strict')
+
+    def __unicode__(self):
+        return to_text(self.data, errors='surrogate_or_strict')
+
+    def encode(self, encoding=None, errors=None):
+        return to_bytes(self.data, encoding=encoding, errors=errors)
+
+    # Methods below are a copy from ``collections.UserString``
+    # Some are copied as is, where others are modified to not
+    # auto wrap with ``self.__class__``
+    def __repr__(self):
+        return repr(self.data)
+
+    def __int__(self, base=10):
+        return int(self.data, base=base)
+
+    def __float__(self):
+        return float(self.data)
+
+    def __complex__(self):
+        return complex(self.data)
+
+    def __hash__(self):
+        return hash(self.data)
+
+    # This breaks vault, do not define it, we cannot satisfy this
+    # def __getnewargs__(self):
+    #    return (self.data[:],)
+
+    def __lt__(self, string):
+        if isinstance(string, AnsibleVaultEncryptedUnicode):
+            return self.data < string.data
+        return self.data < string
+
+    def __le__(self, string):
+        if isinstance(string, AnsibleVaultEncryptedUnicode):
+            return self.data <= string.data
+        return self.data <= string
+
+    def __gt__(self, string):
+        if isinstance(string, AnsibleVaultEncryptedUnicode):
+            return self.data > string.data
+        return self.data > string
+
+    def __ge__(self, string):
+        if isinstance(string, AnsibleVaultEncryptedUnicode):
+            return self.data >= string.data
+        return self.data >= string
+
+    def __contains__(self, char):
+        if isinstance(char, AnsibleVaultEncryptedUnicode):
+            char = char.data
+        return char in self.data
+
+    def __len__(self):
+        return len(self.data)
+
+    def __getitem__(self, index):
+        return self.data[index]
+
+    def __getslice__(self, start, end):
+        start = max(start, 0)
+        end = max(end, 0)
+        return self.data[start:end]
+
+    def __add__(self, other):
+        if isinstance(other, AnsibleVaultEncryptedUnicode):
+            return self.data + other.data
+        elif isinstance(other, text_type):
+            return self.data + other
+        return self.data + to_text(other)
+
+    def __radd__(self, other):
+        if isinstance(other, text_type):
+            return other + self.data
+        return to_text(other) + self.data
+
+    def __mul__(self, n):
+        return self.data * n
+
+    __rmul__ = __mul__
+
+    def __mod__(self, args):
+        return self.data % args
+
+    def __rmod__(self, template):
+        return to_text(template) % self
+
+    # the following methods are defined in alphabetical order:
+    def capitalize(self):
+        return self.data.capitalize()
+
+    def casefold(self):
+        return self.data.casefold()
+
+    def center(self, width, *args):
+        return self.data.center(width, *args)
+
+    def count(self, sub, start=0, end=_sys.maxsize):
+        if isinstance(sub, AnsibleVaultEncryptedUnicode):
+            sub = sub.data
+        return self.data.count(sub, start, end)
+
+    def endswith(self, suffix, start=0, end=_sys.maxsize):
+        return self.data.endswith(suffix, start, end)
+
+    def expandtabs(self, tabsize=8):
+        return self.data.expandtabs(tabsize)
+
+    def find(self, sub, start=0, end=_sys.maxsize):
+        if isinstance(sub, AnsibleVaultEncryptedUnicode):
+            sub = sub.data
+        return self.data.find(sub, start, end)
+
+    def format(self, *args, **kwds):
+        return self.data.format(*args, **kwds)
+
+    def format_map(self, mapping):
+        return self.data.format_map(mapping)
+
+    def index(self, sub, start=0, end=_sys.maxsize):
+        return self.data.index(sub, start, end)
+
+    def isalpha(self):
+        return self.data.isalpha()
+
+    def isalnum(self):
+        return self.data.isalnum()
+
+    def isascii(self):
+        return self.data.isascii()
+
+    def isdecimal(self):
+        return self.data.isdecimal()
+
+    def isdigit(self):
+        return self.data.isdigit()
+
+    def isidentifier(self):
+        return self.data.isidentifier()
+
+    def islower(self):
+        return self.data.islower()
+
+    def isnumeric(self):
+        return self.data.isnumeric()
+
+    def isprintable(self):
+        return self.data.isprintable()
+
+    def isspace(self):
+        return self.data.isspace()
+
+    def istitle(self):
+        return self.data.istitle()
+
+    def isupper(self):
+        return self.data.isupper()
+
+    def join(self, seq):
+        return self.data.join(seq)
+
+    def ljust(self, width, *args):
+        return self.data.ljust(width, *args)
+
+    def lower(self):
+        return self.data.lower()
+
+    def lstrip(self, chars=None):
+        return self.data.lstrip(chars)
+
+    maketrans = str.maketrans
+
+    def partition(self, sep):
+        return self.data.partition(sep)
+
+    def replace(self, old, new, maxsplit=-1):
+        if isinstance(old, AnsibleVaultEncryptedUnicode):
+            old = old.data
+        if isinstance(new, AnsibleVaultEncryptedUnicode):
+            new = new.data
+        return self.data.replace(old, new, maxsplit)
+
+    def rfind(self, sub, start=0, end=_sys.maxsize):
+        if isinstance(sub, AnsibleVaultEncryptedUnicode):
+            sub = sub.data
+        return self.data.rfind(sub, start, end)
+
+    def rindex(self, sub, start=0, end=_sys.maxsize):
+        return self.data.rindex(sub, start, end)
+
+    def rjust(self, width, *args):
+        return self.data.rjust(width, *args)
+
+    def rpartition(self, sep):
+        return self.data.rpartition(sep)
+
+    def rstrip(self, chars=None):
+        return self.data.rstrip(chars)
+
+    def split(self, sep=None, maxsplit=-1):
+        return self.data.split(sep, maxsplit)
+
+    def rsplit(self, sep=None, maxsplit=-1):
+        return self.data.rsplit(sep, maxsplit)
+
+    def splitlines(self, keepends=False):
+        return self.data.splitlines(keepends)
+
+    def startswith(self, prefix, start=0, end=_sys.maxsize):
+        return self.data.startswith(prefix, start, end)
+
+    def strip(self, chars=None):
+        return self.data.strip(chars)
+
+    def swapcase(self):
+        return self.data.swapcase()
+
+    def title(self):
+        return self.data.title()
+
+    def translate(self, *args):
+        return self.data.translate(*args)
+
+    def upper(self):
+        return self.data.upper()
+
+    def zfill(self, width):
+        return self.data.zfill(width)